Inpa Error 159 Jun 2026

The COM port assigned to your cable in Windows Device Manager does not match the INPA configuration files ( obd.ini ).

[OBD] Port=Com5 ;Hardware=USB

The software does not "see" that the car is on. Many cheap K+DCAN cables lack a bridge between pins 7 and 8, or the "Battery" and "Ignition" dots in INPA remain white (off) even when connected.

: BMWs built before March 2007 use the K-Line protocol, while those built after use D-CAN.

Require Pin 7 and Pin 8 to be separated (disconnected) . If they are bridged on a newer car, it disrupts the D-CAN bus. inpa error 159

INPA Error 159 (EDIABAS Fehler 159 / NET-0009: TIMEOUT) is a communication timeout error that can arise from COM port conflicts, incorrect configuration files, driver issues, power problems, or missing SGBD files. The most effective resolution pathway follows this order:

This comprehensive guide breaks down exactly what INPA Error 159 means, why it happens, and how to fix it so you can get back to coding and diagnosing your vehicle. What is INPA Error 159?

If it says a different number, change it to match the COM port you set in the Device Manager (Step 1).

Make sure your vehicle battery is healthy or connected to a dedicated battery charger/maintainer. Low voltage drops communication instantly. The COM port assigned to your cable in

This is the most common cause of INPA Error 159. Windows automatically assigns a COM Port to your USB cable, but EDIABAS must be configured to use that exact same port.

EDIABAS must be explicitly told to look for a USB cable rather than an old serial cable or network connection. Navigate to C:\EDIABAS\BIN\ . Open the file named EDIABAS.ini using Notepad. Use Ctrl + F to search for the word .

Paste and overwrite the files into your local directory: C:\EDIABAS\ECU\ (or C:\ECU\ ).

Most INPA communication errors, including the 159 timeout, stem from Windows COM port settings. DIS - Fault 200 159 - Bimmerforums - The Ultimate BMW Forum : BMWs built before March 2007 use the

The COM port assigned to your cable in Windows Device Manager does not match the port defined in your OBD.ini file. ✅ Step-by-Step Fixes 1. Match the COM Ports

Troubleshooting BMW INPA Error 159: Causes and Solutions BMW INPA is a powerful factory diagnostics software used by enthusiasts and mechanics alike. However, setting up and using the software often comes with configuration hurdles. One common roadblock is .

Do not randomly reinstall software. Follow this logical, step-by-step process.

Locate under BM Options. Change this value from the default 16 down to 1 .